LXR linux/arch/mn10300/include/asm/posix

   1/* MN10300 POSIX types
   2 *
   3 * Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
   4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public Licence
   8 * as published by the Free Software Foundation; either version
   9 * 2 of the Licence, or (at your option) any later version.
  10 */
  11#ifndef _ASM_POSIX_TYPES_H
  12#define _ASM_POSIX_TYPES_H
  13
  14/*
  15 * This file is generally used by user-level software, so you need to
  16 * be a little careful about namespace pollution etc.  Also, we cannot
  17 * assume GCC is being used.
  18 */
  19
  20typedef unsigned long   __kernel_ino_t;
  21typedef unsigned short  __kernel_mode_t;
  22typedef unsigned short  __kernel_nlink_t;
  23typedef long            __kernel_off_t;
  24typedef int             __kernel_pid_t;
  25typedef unsigned short  __kernel_ipc_pid_t;
  26typedef unsigned short  __kernel_uid_t;
  27typedef unsigned short  __kernel_gid_t;
  28typedef unsigned long   __kernel_size_t;
  29typedef long            __kernel_ssize_t;
  30typedef int             __kernel_ptrdiff_t;
  31typedef long            __kernel_time_t;
  32typedef long            __kernel_suseconds_t;
  33typedef long            __kernel_clock_t;
  34typedef int             __kernel_timer_t;
  35typedef int             __kernel_clockid_t;
  36typedef int             __kernel_daddr_t;
  37typedef char *          __kernel_caddr_t;
  38typedef unsigned short  __kernel_uid16_t;
  39typedef unsigned short  __kernel_gid16_t;
  40typedef unsigned int    __kernel_uid32_t;
  41typedef unsigned int    __kernel_gid32_t;
  42
  43typedef unsigned short  __kernel_old_uid_t;
  44typedef unsigned short  __kernel_old_gid_t;
  45typedef unsigned short  __kernel_old_dev_t;
  46
  47#ifdef __GNUC__
  48typedef long long       __kernel_loff_t;
  49#endif
  50
  51typedef struct {
  52#if defined(__KERNEL__) || defined(__USE_ALL)
  53        int     val[2];
  54#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  55        int     __val[2];
  56#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
  57} __kernel_fsid_t;
  58
  59#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
  60
  61#undef  __FD_SET
  62static inline void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
  63{
  64        unsigned long __tmp = __fd / __NFDBITS;
  65        unsigned long __rem = __fd % __NFDBITS;
  66        __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
  67}
  68
  69#undef  __FD_CLR
  70static inline void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
  71{
  72        unsigned long __tmp = __fd / __NFDBITS;
  73        unsigned long __rem = __fd % __NFDBITS;
  74        __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
  75}
  76
  77
  78#undef  __FD_ISSET
  79static inline int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
  80{
  81        unsigned long __tmp = __fd / __NFDBITS;
  82        unsigned long __rem = __fd % __NFDBITS;
  83        return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
  84}
  85
  86/*
  87 * This will unroll the loop for the normal constant case (8 ints,
  88 * for a 256-bit fd_set)
  89 */
  90#undef  __FD_ZERO
  91static inline void __FD_ZERO(__kernel_fd_set *__p)
  92{
  93        unsigned long *__tmp = __p->fds_bits;
  94        int __i;
  95
  96        if (__builtin_constant_p(__FDSET_LONGS)) {
  97                switch (__FDSET_LONGS) {
  98                case 16:
  99                        __tmp[ 0] = 0; __tmp[ 1] = 0;
 100                        __tmp[ 2] = 0; __tmp[ 3] = 0;
 101                        __tmp[ 4] = 0; __tmp[ 5] = 0;
 102                        __tmp[ 6] = 0; __tmp[ 7] = 0;
 103                        __tmp[ 8] = 0; __tmp[ 9] = 0;
 104                        __tmp[10] = 0; __tmp[11] = 0;
 105                        __tmp[12] = 0; __tmp[13] = 0;
 106                        __tmp[14] = 0; __tmp[15] = 0;
 107                        return;
 108
 109                case 8:
 110                        __tmp[ 0] = 0; __tmp[ 1] = 0;
 111                        __tmp[ 2] = 0; __tmp[ 3] = 0;
 112                        __tmp[ 4] = 0; __tmp[ 5] = 0;
 113                        __tmp[ 6] = 0; __tmp[ 7] = 0;
 114                        return;
 115
 116                case 4:
 117                        __tmp[ 0] = 0; __tmp[ 1] = 0;
 118                        __tmp[ 2] = 0; __tmp[ 3] = 0;
 119                        return;
 120                }
 121        }
 122        __i = __FDSET_LONGS;
 123        while (__i) {
 124                __i--;
 125                *__tmp = 0;
 126                __tmp++;
 127        }
 128}
 129
 130#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
 131
 132#endif /* _ASM_POSIX_TYPES_H */
 133